Finding the Fourth Proportional to 5,183,700.15, 7,769,246.47 and 3,667,820.03
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Solution
The fourth proportional to 5,183,700.15, 7,769,246.47 and 3,667,820.03 is: 5,497,269.71
Step by Step Solution
- Step 1: Write the proportion equation
5,183,700.15 : 7,769,246.47 = 3,667,820.03 : x - Step 2: Convert to fraction form
5,183,700.15/7,769,246.47 = 3,667,820.03/x - Step 3: Cross multiply
5,183,700.15x = 7,769,246.47 × 3,667,820.03 - Step 4: Simplify right side
5,183,700.15x = 28,496,197,822,423.17 - Step 5: Solve for x
x = 28,496,197,822,423.17/5,183,700.15 - Step 6: Final answer
x = 5,497,269.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.